Globally, between 0.2% and 1.2% of the world population above the age of 16 years has rheumatoid arthritis. In 2010, there were approximately 4.6 million people with rheumatoid arthritis in the seven major markets (US, Japan, France, Germany, Italy, Spain, and the UK). More than half of rheumatoid arthritis cases in the seven major markets (2.6 million) in 2010 were in the US alone. Datamonitor esGain insight to market potential, including a robust 10-year epidemiology forecast of rheumatoid arthritis prevalent cases.Understand the key epidemiologic risk factors associated with rheumatoid arthritis.In 2010, there were 4.6 million cases of rheumatoid arthritis prevalent cases in the seven major markets.Rheumatoid prevalent cases will marginally increase across the seven major markets although declines are estimated for Japan in the next 10 years.Aging populations are behind this rise in prevalent cases of rheumatoid arthritis.What is the estimated prevalence of rheumatoid arthritis in the seven major markets?What is the expected prevalence in the next 2010?